The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 1997
Filed:
Nov. 17, 1995
Applicant:
Inventor:
Fumio Kawamoto, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; C08J / ;
U.S. Cl.
CPC ...
430347 ; 430533 ; 521 48 ;
Abstract
A photographic material comprising a polyester support and an undercoat and/or backcoat layer applied thereto is treated with an alkaline aqueous solution of sodium hydroxide and/or potassium hydroxide. The polyester support can be recovered for reuse without quality degradation like foreign matter contamination and transmittance losses.